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mr Goodwill [35]
3 years ago
9

Help please asap I'll give brainlist and 20 points

Mathematics
1 answer:
maxonik [38]3 years ago
5 0
Part 1:  

Proportion: $7 every 2 days
Solve: He will earn 98 dollars if he does his chores every day for 2 weeks.
Solution as a sentence: To find the answer, you need to multiply seven, by fourteen.

Part 2: 

Proportion: 2 bags last 5 days.
Solve: 8 bags of feed will last 20 days.
Solution in a sentence: To solve the problem, divide eight by two. Then multiply five by four.

Part 3:

Proportion: 3 eggs for every 4 hens.
Solve: 24 hens will lay 18 eggs.
Solution in a Sentence: If you divide twenty four by four, then multiply the answer by three, you will get your answer of eighteen eggs total.

Hope this helps you out. :)
 
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2x+5y=10<br> x-3y=-6<br> how do i get the point of intersection
diamong [38]
Multiple the second equation by 2 and subtract it from the first

2x + 5y = 10
2x - 6y = -12

now subtract

11y = 22
y = 2

Plug y = 2 in to either equation
x - 3(2) =  -6
x - 6 = -6
x = 0

The point at where they intersect is (0, 2)
8 0
2 years ago
What is the parent function of y=5x-2
bezimeni [28]
I think the parent function is

y=x
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3 years ago
Find the center of the circle: x2 + 2x - 3 + y2 = 5.
rosijanka [135]

Answer:

\boxed{(-1, 0)}

Step-by-step explanation:

x² + 2x - 3 + y²  = 5

Strategy:

Convert the equation to the centre-radius form:

(x - h)² + (y - k)² = r²

The centre of the circle is at (h, k) and the radius is r .

Solution:

Move the number to the right-hand side.

x² + 2x + y²  = 8

Complete the square for x

(Take half the coefficient of x, square it, and add to each side of the equation)

(x² + 2x + 1) + y² = 9

Complete the square for y

The coefficient of y is zero.

(x² + 2x + 1) + y² = 9

Express the result as the sum of squares

(x + 1)² + y² = 3²

h = -1; k = 0; r = 3

The centre of the circle is at \boxed{(-1,0)}

The graph of the circle below has its centre at (-1,0) and radius 3.

4 0
3 years ago
23. Tell whether the sequence is arithmetic. If it is, what is the common difference? (1
Airida [17]

Answer:   O Yes; 6

Yes it is Arithmetic;  the difference is 6

Step-by-step explanation:

If the numbers keep changing by the same value being added or subtracted, it is Arithmetic.

-15 - (-9) = -6    -9 - (-3) = -6    -3 - 3 = -6

"Same difference"  as the saying goes!

4 0
2 years ago
What does 8.3 × 10^ -5 in standard notation ​
xz_007 [3.2K]

Answer:

0.000083

Step-by-step explanation:

When you multiply by 10^-5, you're really multiplying by 0.00001. This multiplied by 8.3 is 0.000083. It also means that you just move the decimal place in 8.3 to the left five times, where you'll get the same answer.

6 0
2 years ago
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